From nobody Tue Feb 10 08:04:48 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AD5A55FBA7 for ; Thu, 28 Mar 2024 09:50:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711619415; cv=none; b=neCBQbFz3UIhXLRKnz7Peg99pz0s3yZgJ0VJxWwq9hXFNO0LvSIRdzWkFW3qHiEdd3oJbVusCmgfnSCrlxuDgv479AR5CbfFqU/pmQV6+9xMfdIxd0J+t10WjaBnk2othsbSQhcplaSglqhp1fHGXEdUNydO+DFrFNbT6GmtCz8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711619415; c=relaxed/simple; bh=nYOWAU7sfzIVHuhCPmcHon1XQI6uRYZDP32k3/YsPdQ=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=GmvIC8t66/A92PFvknBBm5Qrx81Uc0TepX/OS1PprENZa5KiMLka+GvMrKwUnySgJsxV7X6s6D69DqCZZzGccmK23+7OkOjKFCy/hGAuFVCN2LPfFrumMowypesNERX0MLit9eAyQ3z1nKA/pnu2Fh2bdEhLLXauq0KvSpllkw8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=N9wHa5PP; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="N9wHa5PP" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 843FDC433C7; Thu, 28 Mar 2024 09:50:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711619415; bh=nYOWAU7sfzIVHuhCPmcHon1XQI6uRYZDP32k3/YsPdQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=N9wHa5PPmnKSRlvLm1N6kssz6qvNT0Qu/V/7w+LK0C0rZFwKgya7qHAx1B9J7gFwY K6kdSa/1EjInQkACSdQ8b2aX+0zSP7LJ+cZJV9cktJqFeQ1WViDu9f1T4KWySDxkFL umSsYXrKqE+SltwBV+FZyTD5QSNUUEErcO2FTBjbI8rG+rERvZrV+JY0OgnklnMvYM GAmoy159o/8Ogk7lWsI4JHGtbX+U6f5oEdMwWofsuEsOJXrtrpFXFDm1mqGf8BeSQy u2M0anP66ub5VQhR3Ta4nCTMoE5Z1wwFxpBYCodvBY3KhEwDNXyvWu5ygXWWlMLXpk LJGmXSOn4wfrA== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next 01/11] Squash to "selftests/bpf: Add bpf scheduler test" - fix Date: Thu, 28 Mar 2024 17:49:58 +0800 Message-Id: <0e49cdf987fe33ca8e6f1531da34874c3a750851.1711619108.git.tanggeliang@kylinos.cn> X-Mailer: git-send-email 2.40.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Geliang Tang BPF tests fail sometimes with "bytes !=3D total_bytes" errors: # test_default:PASS:sched_init:default 0 nsec # send_data:PASS:pthread_create 0 nsec # send_data:FAIL:recv 936000 !=3D 10485760 nr_recv:-1 errno:11 # default: 3041 ms # server:FAIL:send 7579500 !=3D 10485760 nr_sent:-1 errno:11 # send_data:FAIL:pthread_join thread_ret:-11 \ test_default:PASS:has_bytes_sent addr_1 0 nsec # test_default:PASS:has_bytes_sent addr_2 0 nsec # close_netns:PASS:setns 0 nsec Here errno 11 is EAGAIN, sending should continue in this case, not break. This patch makes BPF tests stable. Signed-off-by: Geliang Tang --- tools/testing/selftests/bpf/prog_tests/mptcp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/mptcp.c b/tools/testing= /selftests/bpf/prog_tests/mptcp.c index 6e28215d7404..7fec91ab19cf 100644 --- a/tools/testing/selftests/bpf/prog_tests/mptcp.c +++ b/tools/testing/selftests/bpf/prog_tests/mptcp.c @@ -353,7 +353,7 @@ static void *server(void *arg) while (bytes < total_bytes && !READ_ONCE(stop)) { nr_sent =3D send(fd, &batch, MIN(total_bytes - bytes, sizeof(batch)), 0); - if (nr_sent =3D=3D -1 && errno =3D=3D EINTR) + if (nr_sent =3D=3D -1 && (errno =3D=3D EINTR || errno =3D=3D EAGAIN)) continue; if (nr_sent =3D=3D -1) { err =3D -errno; @@ -397,7 +397,7 @@ static void send_data(int lfd, int fd, char *msg) while (bytes < total_bytes && !READ_ONCE(stop)) { nr_recv =3D recv(fd, &batch, MIN(total_bytes - bytes, sizeof(batch)), 0); - if (nr_recv =3D=3D -1 && errno =3D=3D EINTR) + if (nr_recv =3D=3D -1 && (errno =3D=3D EINTR || errno =3D=3D EAGAIN)) continue; if (nr_recv =3D=3D -1) break; --=20 2.40.1